Heavy ion radiation effects on hafnium oxide-based resistive random access memory
S Petzold, SU Sharath, J Lemke… - … on Nuclear Science, 2019 - ieeexplore.ieee.org
IEEE Transactions on Nuclear Science, 2019•ieeexplore.ieee.org
Hafnium oxide-based resistive random access memory (RRAM)(TiN/HfO 2-x/Pt/Au) stacks
were irradiated with 1.1-GeV Au ions with fluences between 10 10 and 10 12 ions/cm 2 and
evaluated regarding pristine resistance, forming voltage, and data retention. Only for the
highest fluence, the resistance of the pristine state and, in turn, the conducting filament
electroforming, as well as the reset voltage, increased. Even for fluences as high as 10 12
ions/cm 2, only a negligible percentage of the tested devices shows event upsets indicating …
were irradiated with 1.1-GeV Au ions with fluences between 10 10 and 10 12 ions/cm 2 and
evaluated regarding pristine resistance, forming voltage, and data retention. Only for the
highest fluence, the resistance of the pristine state and, in turn, the conducting filament
electroforming, as well as the reset voltage, increased. Even for fluences as high as 10 12
ions/cm 2, only a negligible percentage of the tested devices shows event upsets indicating …
Hafnium oxide-based resistive random access memory (RRAM) (TiN/HfO 2-x /Pt/Au) stacks were irradiated with 1.1-GeV Au ions with fluences between 10 10 and 10 12 ions/cm 2 and evaluated regarding pristine resistance, forming voltage, and data retention. Only for the highest fluence, the resistance of the pristine state and, in turn, the conducting filament electroforming, as well as the reset voltage, increased. Even for fluences as high as 10 12 ions/cm 2 , only a negligible percentage of the tested devices shows event upsets indicating extremely high data retention of hafnium oxide-based RRAM toward high-energy ionizing radiation.
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